The Principles of Science: A Treatise on Logic and Scientific Method |
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Page xviii
... symbols . In the " Addenda ad Specimen Calculi Univer- salis " we read as follows.2 Transpositio literarum in eodem termino nihil mutat , ut ab coincidet cum ba , seu animal rationale et rationale animal . " " 6 66 ' Repetitio ejusdem ...
... symbols . In the " Addenda ad Specimen Calculi Univer- salis " we read as follows.2 Transpositio literarum in eodem termino nihil mutat , ut ab coincidet cum ba , seu animal rationale et rationale animal . " " 6 66 ' Repetitio ejusdem ...
Page xxxiv
... Symbols CHAPTER III . PROPOSIUONY , 1. Propositions 2. Simple Identities . 3. Partial Identities . 4. Limited Identities 5. Negative Propositions 6. Conversion of Propositions 7. Twofold Interpretation of Propositions CHAPTER IV ...
... Symbols CHAPTER III . PROPOSIUONY , 1. Propositions 2. Simple Identities . 3. Partial Identities . 4. Limited Identities 5. Negative Propositions 6. Conversion of Propositions 7. Twofold Interpretation of Propositions CHAPTER IV ...
Page 8
... symbols , quantities , or things . A mathematician certainly does treat of symbols , but only as the instruments whereby to facilitate his reasoning concerning quantities ; and as the axioms and rules of mathematical science must be ...
... symbols , quantities , or things . A mathematician certainly does treat of symbols , but only as the instruments whereby to facilitate his reasoning concerning quantities ; and as the axioms and rules of mathematical science must be ...
Page 13
... symbols . Not only is such a language convenient , but it is almost essential to the expression of those general truths which are the very soul of science . To apprehend the truth of special cases of inference does not constitute logic ...
... symbols . Not only is such a language convenient , but it is almost essential to the expression of those general truths which are the very soul of science . To apprehend the truth of special cases of inference does not constitute logic ...
Page 14
... symbol . De Morgan represented negative terms by small Roman letters , or sometimes by small italic letters ; as the latter seem to be highly convenient , I shall use a , b , c , ... p , q , & c . , as the negative terms corresponding ...
... symbol . De Morgan represented negative terms by small Roman letters , or sometimes by small italic letters ; as the latter seem to be highly convenient , I shall use a , b , c , ... p , q , & c . , as the negative terms corresponding ...
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Common terms and phrases
abC abc ABcd AbCd analogy apparent arithmetic assert body calculation cause character classification colour Contrapositive crystals deductive deductive reasoning density detect discovered discovery disjunctive proposition earth effect electricity equal equation equivalent error exactly exist experiment expression fact fcap force give gravity heat hypothesis identity induction inference infinite instance inverse inverse logical investigation J. S. Mill James Bernoulli knowledge Laws of Identity laws of nature Laws of Thought letters light Logical Alphabet logical conditions magnetic mammæ manner mathematical matter mean measure metal method mode motion negative Newton number of combinations objects observation obtain pendulum phenomena Philosophical planets possible premises principle probability problem Professor properties proposition qualities quantity reasoning refraction regards relation scientific simple specific gravity stars substances substitution supposed syllogism symbols temperature theory things tion triangle true truth velocity
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